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혜암 이장식의 종말론적 신앙과 창조론적 신앙 사이의 통전적 신학: J. 몰트만의 생태학적 창조이해에 관련하여
정인재(Jung InJae) 한국기독교철학회 2020 기독교철학 Vol.30 No.-
본 논문은 혜암 이장식, 『기독교 사관의 역사』를 중심으로 ‘종말론적 신앙’과 ‘창조론적 신앙’이라는 두 가지 하나님 이해의 통전적 성찰을 도모하고자 한다. 그리고 이를 위해 본 연구는 혜암의 통전적 신학의 한 예로서 몰트만의 창조론적 신앙을 잇대는 작업을 시도하고자 한다. 먼저 한국교회 제1세대 교회사학자인 혜암 이장식은 그의 저서 『기독교 사관의 역사』에서 인간적 역사법칙으로부터 자유로운 역사의 주님, 즉 인간의 역사성이라는 유한성을 벗어난 하나님의 초월성을 강조한다. 이와 더불어 몰트만은 은총적인 자기 비허로서 역사 안에 내재하시는 하나님이 동시에 역사를 초월해 창조질서의 운행을 경륜하신다는 점을 주장한다. 그럼으로써 두 신학자의 종말론적 신앙과 창조론적 신앙은 이제 통전적 신학의 방식 안에서 만나 초월과 내재의 두 가지를 함께 연결시키게 되며, 이러한 통전적 신학은 이제 코로나19 시대의 인류를 위로하고, 동시에 미래를 준비하는 진정한 하나님을 지향하게 된다. Based on Hye-Ahm Jang-Sik Lee, History of Christian History, this paper seeks to promote a conventional reflection of two God’s understanding: ‘eschatological faith’ and ‘creation faith’ And this paper attempts to connect conventional of Jang-Sik Lee. with the creation faith of Moltmann. First of all, Hye-Am Jang-Sik Lee, a first-generation church scholar at the Korean Church, emphasizes the transcendence of God beyond the finite nature of human history, the Lord of history free from human historical laws. Moltman argues that God, who is inherent in history as the wonderful self-emptying, is at the same time meditating on the operation of the creative order beyond history. Thus, the creational and eschatological beliefs in two theologians now meet in the mode of conventional theology, linking the transcendence and the inherence together, and this conventional theology is now directed toward a true God who comforts the humankind in the Corona19 era and prepares for the future at the same time.
정인재(Injae Chung),문정호(Jung-ho Moon) 한국항공우주학회 2020 韓國航空宇宙學會誌 Vol.48 No.12
Synchropter는 서로 경사진 한 쌍의 회전날개가 동조 교차 회전하는 회전익 항공기의 일종으로 동축반전 헬리콥터와 마찬가지로 꼬리 회전날개를 제거할 수 있어서 효율적이며 간결한 형태의 비행체 구성이 가능하다. 드론 체계로서의 적합성을 검토하기 위하여 소형 Synchropter를 설계, 제작하여 비행시험을 수행하였다. 설계한 Synchropter는 로터 직경이 1.4m이며 중량이 7kg인 소형비행체로서 효율적으로 비행 특성을 확인하기 위하여 상용부품 기반으로 제작하였다. 비행 제어 시스템은 Open Architecture인 Pixhawk를 기반으로 구성하였으며, Sychropter 제어법칙을 PX4 펌웨어에 탑재할 수 있도록 개발하였다. 정성적 비행시험을 통해 Synchropter의 비행 특성을 분석하였으며, 분석 결과, 드론 체계로서의 활용 가능성을 파악할 수 있었다. A synchropter is a type of rotorcraft in which a pair of blades inclined with each other rotates in synchronization. Removing the tail rotor enables an efficient and compact configuration similar to a coaxial-rotor helicopter. This paper describes the design and flight test results of a small synchropter to examine the suitability of a drone system for the army. The synchropter in this paper is a small vehicle with a rotor diameter of 1.4m and a weight of 7kg and was assembled based on commercial parts to examine flight characteristics effectively. The flight control system adopted Pixhawk, which is designed based on an open-architecture. The model-based design technique is applied to develop the control law of the synchropter and a new firmware embedded on the Pixhawk. Through qualitative flight tests, we analyzed the flight characteristics. As a result of the analysis, we confirmed the possibility of application as a drone system of the synchropter.
엔터테인먼트 환경을 위한 손 움직임 기반의 PC 입력 장치 개발
김창환(Changhwan Kim),김혜림(Hyerim Kim),정인재(Injae Jung),김수지(Suji Kim),권미연(Miyeon Kwon) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
In the digital era, the entertainment market is continuously evolving; however, the limitations of conventional input devices have led to a decrease in user immersion. This paper proposes a novel input device that controls PCs based on user hand movements to address this issue. Utilizing Arduino for device implementation and C++-based WinForms for UI composition, the prototype is produced to verify the devices functionality, and the hardware is output through 3D modeling. This approach aims to overcome the drawbacks of traditional input devices and provide an optimal entertainment experience. Additionally, the device is anticipated to have various applications, such as presentation controllers and input devices for individuals with disabilities.
부유형 해양 광생물반응기의 선택적 투과막의 술폰화 반응을 통한 Biofouling 억제 및 미세조류 생산성 향상
김광민(Kwangmin Kim),이윤우(Yunwoo Lee),김지훈(Z-Hun Kim),박한울(Hanwool Park),정인재(Injae Jung),박재훈(Jaehoon Park),임상민(Sang-Min Lim),이철균(Choul-Gyun Lee) 한국해양바이오학회 2017 한국해양바이오학회지 Vol.9 No.1
The purpose of this study was to inhibit biofouling on a selectively permeable membrane (SPM) and increase biomass productivity in marine photobioreactors (PBRs) for microalgal cultivation by chemical treatment. Surfaces of a SPM, composed of polyethylene terephthalate (PET), was sulfonated to decrease hydrophobicity through attaching negatively charged sulfonic groups. Reaction time of sulfonation was varied from 0 min to 60 min. As the reaction time increased, the water contact angle value of SPM surface was decreased from 75.5o to 44.5o, indicating decrease of surface hydrophobicity. Furthermore, the water permeability of sulfonated SPM was increased from 5.42 mL/㎡/s to 10.58 mL/㎡/s, which reflects higher nutrients transfer rates through the membranes, due to decreased hydrophobicity. When cultivating Tetraselmis sp. using 100-mL floating PBRs with sulfonated SPMs, biomass productivity was improved by 34% compared with the control group (non-reacted SPMs). In addition, scanning electron microscopic observation of SPMs used for cultivation clearly revealed lower degree of cell attachment on the sulfonated SPMs. These results suggest that sulfornation of a PET SPM could improve microalgal biomass productivity by increasing nutrients transfer rates and inhibiting biofouling by algal cells.